15063997 has 4 divisors (see below), whose sum is σ = 16222780. Its totient is φ = 13905216.

The previous prime is 15063991. The next prime is 15064001. The reversal of 15063997 is 79936051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 11431161 = 1906^2 + 3381^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15063997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15063991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579372 + ... + 579397.

It is an arithmetic number, because the mean of its divisors is an integer number (4055695).

Almost surely, 2^15063997 is an apocalyptic number.

It is an amenable number.

15063997 is a deficient number, since it is larger than the sum of its proper divisors (1158783).

15063997 is a wasteful number, since it uses less digits than its factorization.

15063997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158782.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 15063997 is about 3881.2365297673. The cubic root of 15063997 is about 246.9714435343.

The spelling of 15063997 in words is "fifteen million, sixty-three thousand, nine hundred ninety-seven".